Home / 27,802.28-38,366.87-15,055.25

Finding the Fourth Proportional to 27,802.28, 38,366.87 and 15,055.25

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Solution

The fourth proportional to 27,802.28, 38,366.87 and 15,055.25 is: 20,776.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,802.28 : 38,366.87 = 15,055.25 : x
  2. Step 2: Convert to fraction form
    27,802.28/38,366.87 = 15,055.25/x
  3. Step 3: Cross multiply
    27,802.28x = 38,366.87 × 15,055.25
  4. Step 4: Simplify right side
    27,802.28x = 577,622,552.46
  5. Step 5: Solve for x
    x = 577,622,552.46/27,802.28
  6. Step 6: Final answer
    x = 20,776.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.